Effective Energy Management

Keys Save energy Lower utility operating costs Maintain or improve operations Support corporate goals

ANSI Std MSE 2000:2005 A Management System for Energy Parallels ISO 14001:2005, Environmental Management System Documentation and Record Keeping Management Commitment & Policy

Energy & Environment Interconnected Energy Audit = Inventory of Emissions Sources. Reduce the risk of non-compliance with emissions regulations.

Why?

Benefits Reduced costs, improved efficiency, and diminished environmental impact. Effective and continually improved energy performance. Greater organizational involvement and competency concerning energy issues. Better communication about energy management inside and outside the organization. Better relationships with energy-related suppliers.

Role of Energy Mgr

Recommended Process Achieve savings without capital outlay Establish benchmarks and budgets Collaborate with other departments Plan and implement specific property actions Verify, document and report

No Capital Outlay? Purchase electricity or natural gas from alternate supplier Change rate codes and identify on-going billing savings Thermostat settings Turn things off Etc

Cost Savings “Triple Crown” No capital outlay Refunds from utility company Savings every month going forward

So Many Meters & Bills & Calls Every Home and Business Has At Least 2 Of These Read and Billed Every Month

Important Points Utility bills aren’t like other payables Small cost savings might be bigger than you think Communication between Accounting and Property Management leads to lower utility bills

Cost Has Two Parts Property related UNITS per DAY –Equipment, its control, operation and maint. Utility related COST per UNIT –Rates and charges by utility

Bill History Is A Pattern

Utility Tracking Track utility bills each month and establish normal pattern for process/property for each type of utility Check utility meters in the field for correlation to what Accounting is paying on the utility bills. Digitize utility bills for ease of retrieval when researching potential savings opportunities Establish Utility Analyst in Accounting if you have many properties and accounts

Energy Footprint Source:

Most Common Problems VFD’s that don’t modulate, faulty control valves, controls out of calibration, static pressure higher than required, night setbacks not implemented, equipment operating more than necessary or inefficiently, EMCS never programmed, improper sequence of operation, simultaneous heating and cooling, outside air damper settings/economizer controls.

Types of Audits and Costs TypeCost ($/sf 1997$) Preliminary Audits$0.013 to $0.030 per sf Single Purpose Audits$0.030 to $0.070 per sf (lighting) $0.050 to $0.090 per sf (HVAC & Controls) Comprehensive Audits$0.180 to $0.500 per sf (<50,000sf) Less than $0.120 per sf (>250,000 sf)

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Questions? Thank You!